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Few days back, I was migrating my application for VS2008 to VS2010 and it was done successfully except some people started running the application. They faced the error as below

“Could not load file or assembly ‘PresentationCore’ or one of its dependencies. An attempt was made to load a program with an incorrect format. ”

I tried to diagnose the problem and tried to find a solution.<!–more Continue reading… –>

So whenever you upgrade to VS 2008 to VS 2010 and also upgrade ASP.NET version to 4.0. And if your website hosted on IIS, when you open your VS 2010 IDE it prompt a message asking to upgrade to asp.net version to 4.0. When you say yes it upgrades the version at IIS.

So let’s come back to our original problem. When I diagnosed I found the machine was having 64bit OS.

And at IIS, there is setting “Enable 32-bit Applications” at application pool level that is by default set false . So if you are having 64 bit OS and your application target 32-bit applications then this property must be true.

So how to set it. I have included the images for IIS7. So first you need to know, which application pool your virtual directory points. So to check this

Recently, when microsoft launched Visual Studio 2010, they launched it with the very nice Campaign “Life runs on code”.Who all have seen the any advertisement of VS 2010, must have seen this also. It’s very true, we, developer’s life runs on code, and our code runs on Visual Studio IDE ( Obviously only on development phase 🙂 ).

As most of the time in our offices and home (only for workaholics 🙂 we spent most of the time with visual studio IDE, we always try to find some way to code faster/better, to increase the productivity.
Visual studio IDE is full of myriad features, that helps us for faster and smoother coding. We most of the time are not aware of this and don’t use these.I always try to find some good feature at Visual studio, which we can use in our daily life and share with you all.

In this post, I am going to discuss a window, that is called as Task List window, some of you might aware this so this for rest developers 🙂

So what is the Task window, how it can help us. Let’s go in bit detail

As we have other window, Error/Warning window, we also have Task list window.To see this window, Go To View->Task List or directly using the keys Ctrl+W, T. This task list window show us the TODO list that we track and other annotations. Task list window has two views : User Task Window and Comments Window. We’ll discuss first comments Window.

Generally, we write some TODO or UNDONE comments, while development phase of our application. These comments are a sign, that we need to update/Change the code before releasing to QA/Staging environment.

As in my sample project, I have added few comments multiple files. These are listed in the Task List window (Comment View). One can all the these type of of comments in this window from the entire project. And one can click one by one and make changes whenever required. Let’s see the comments…

Task List: Comment View

We can click on any of it and it will take us to directly that line of code.

HACK, TODO, UNDONE, UnresolvedMergeConflict are default comment Tokens in VS IDE. But one can add custom tag based on their requirements.Go to Tools-> Options then under Environment click task list as below ( If Task list is not visible make sure “Show all settings” checkbox is checked at bottom of Options window).

Options Wnidow

To add a Custom Token, write the Token at Name input box, set the priority and then click on add button.We can also remove/change the existing token with the given buttons.

Now lets move to User Task View, this view list down all the user created tasks. One can create user tasks by clicking Create User Task icon, just beside view dropdown. Let’s see it

Task List: User Tasks view

This gives you option to write the description of the task and set the priority. Once the task get completed, then one can mark it as completed by checking the checkbox.

This might be a very small trick for all us and some of us may already know this. But who doesn’t know, they can save enough time while working with Visual Studio IDE.

As we used to spend a lot of time in our office/workstation while working with IDE. Normally we are also connected with the Internet. Whenever we install Vistual Studio to our system, then by default, when we open the IDE, following screen is loaded.

As we can see, it includes some news section(marked in Red) that gets download via internet and some other stuff, like Recent Projects. Normally, only stuff that we use Recent Projects. Rest suff are some news that gets loaded online. Which normally makes the loding of IDE very slower, and even sometime after clicking on VS icon we have to wait for a while.

So we can change this behavior as most of the time, we don’t go through these in our daily life. Normally we used to open the IDE several times in a day during our normal cycle Home – Office – Home.

So for changing this behaviour, we have to go Tools->Options, then we’ll see the following screen,

Now check the checkbox “Show all Settings“, if not checked. Then go to Environment->startup and we’ll see the following screen.

Now from the first dropdown , we can select the option Show empty enviornment and unselect the Download content every checkbox.

Here we have several other options which we can configure based on our requirement, but above one is faster.

Now our IDE will open as

It may not look very colorful but Now you’ll feel the Visual Studio IDE loading much faster. Which saves your time and make you feel good.

Note: I have Visual Studio 2008 for the blog post purpose, we can do the same with Visual Studio 2005 also.